Cisco MGBLH1, Network SMF, Wavelength 1300 nm (1310nm TYP, 1290-1355nm), Protocols TCP/IP, Mini-GBIC port, Max Distance 40km, Transfer Rate 1 Gbps. The Cisco MFELX1 100BASE-LX Mini-GBIC SFP Transceiver from Linksys is an add-on transceiver for select Linksys switches. Installing in a standard Mini-GBIC expansion slot, the transceiver supports Gigabit data transfer over fiber optic cabling.